Black Penguin

While traveling through Antarctica, National Geographic Traveler contributing editor Andrew Evans spotted an extremely rare melanistic penguin. This "one in a zillion" bird's all-black coloring is result of a genetic defect, but Evans said, he seemed to get along well with all the other penguins.

Black Penguin

While traveling through Antarctica, National Geographic Traveler contributing editor Andrew Evans spotted an extremely rare melanistic penguin. This "one in a zillion" bird's all-black coloring is result of a genetic defect, but Evans said, he seemed to get along well with all the other penguins.

Black Penguin

While traveling through Antarctica, National Geographic Traveler contributing editor Andrew Evans spotted an extremely rare melanistic penguin. This "one in a zillion" bird's all-black coloring is result of a genetic defect, but Evans said, he seemed to get along well with all the other penguins.